Home / 3,394.49-5,091.87-1,445.36

Finding the Fourth Proportional to 3,394.49, 5,091.87 and 1,445.36

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Solution

The fourth proportional to 3,394.49, 5,091.87 and 1,445.36 is: 2,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.49 : 5,091.87 = 1,445.36 : x
  2. Step 2: Convert to fraction form
    3,394.49/5,091.87 = 1,445.36/x
  3. Step 3: Cross multiply
    3,394.49x = 5,091.87 × 1,445.36
  4. Step 4: Simplify right side
    3,394.49x = 7,359,585.22
  5. Step 5: Solve for x
    x = 7,359,585.22/3,394.49
  6. Step 6: Final answer
    x = 2,168.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.